FNUS75 KBYZ 041153
FWSBYZ

SPOT FORECAST FOR MAIN BOULDER 8A...US FOREST SERVICE
NATIONAL WEATHER SERVICE BILLINGS MT
553 AM MDT WED MAY 4 2011

FORECAST IS BASED ON IGNITION TIME OF 1200 MDT ON MAY 04.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
WEDNESDAY WILL BE COOL WITH ISOLATED SHOWERS. WINDS WILL BE
DRAINAGE WINDS FROM THE SOUTH IN THE MORNING TURNING UP-VALLEY IN
THE AFTERNOON. EXPECT ERRATIC WINDS WITH GUSTS TO 30 MPH NEAR
SHOWERS. THURSDAY A RIDGE OF HIGH PRESSURE WILL BUILD OVER THE AREA
CAUSING MOSTLY SUNNY SKIES AND LIGHTER WINDS.

.TODAY...

SKY/WEATHER.........PARTLY SUNNY WITH ISOLATED RAIN SHOWERS.
CWR.................5 PERCENT.
MAX TEMPERATURE.....57-62.
MIN HUMIDITY........20-25 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTH WINDS 5 TO 15 MPH. ERRATIC WINDS
                    NEAR SHOWERS.
 RIDGETOP...........WEST 15 TO 25 MPH.
MIXING HEIGHT.......7000 FT AGL.
MIXING WINDS........WEST 15 TO 25 MPH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. ISOLATED RAIN SHOWERS IN THE
                    EVENING.
CWR.................0 PERCENT.
MIN TEMPERATURE.....30-35.
MAX HUMIDITY........55-65 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTH WINDS 0 TO 10 MPH.
 RIDGETOP...........WEST 15 TO 30 MPH.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........SOUTH 0 TO 10 MPH.

.THURSDAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTH WINDS 10 TO 20 MPH.
 RIDGETOP...........SOUTHWEST 25 TO 40 MPH.
MIXING HEIGHT.......3000 FT AGL.
MIXING WINDS........SOUTHWEST 15 TO 30 MPH.

$$
FORECASTER...LESTER/LEACH
REQUESTED BY...DAVID DAY
TYPE OF REQUEST...PRESCRIBED
.TAG 20110504.MAINB.01/BYZ